javascript how to know type of variable
var foo = "Hello";
console.log(typeof foo); // stringjavascript how to know type of variable
var foo = "Hello";
console.log(typeof foo); // stringget type of var js
function doSomething(x) {
if(typeof(x) === 'string') {
alert('x is a string')
} else if(typeof(x) === 'number') {
alert('x is a number')
}
}type of variable js
// get type of variable
var number = 1
var string = 'hello world'
var dict = {a: 1, b: 2, c: 3}
console.log(typeof number) // number
console.log(typeof string) // string
console.log(typeof dict) // objectcheck type javascript
console.log(typeof "how are you?")
"string"
console.log(typeof false) / console.log(typeof true)
"boolean"
console.log(typeof 100)
"number"javascript find type of variable
> typeof "foo"
"string"
> typeof true
"boolean"
> typeof 42
"number"
if(typeof bar === 'number') {
//whatever
}node js check type of variable
if (typeof i != "number") {
console.log('This is not number');
}Copyright © 2021 Codeinu
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